./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ed93f7e94a59686881f163258e4b8f85fe8ac8 ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ed93f7e94a59686881f163258e4b8f85fe8ac8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-096883e [2020-12-01 23:19:32,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:19:32,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:19:32,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:19:32,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:19:32,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:19:32,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:19:32,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:19:32,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:19:32,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:19:32,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:19:32,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:19:32,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:19:32,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:19:32,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:19:32,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:19:32,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:19:32,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:19:32,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:19:32,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:19:32,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:19:32,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:19:32,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:19:32,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:19:32,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:19:32,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:19:32,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:19:32,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:19:32,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:19:32,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:19:32,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:19:32,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:19:32,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:19:32,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:19:32,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:19:32,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:19:32,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:19:32,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:19:32,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:19:32,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:19:32,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:19:32,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:19:32,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:19:32,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:19:32,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:19:32,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:19:32,840 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:19:32,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:19:32,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:19:32,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:19:32,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:19:32,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:19:32,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:19:32,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:19:32,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:19:32,844 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:19:32,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:19:32,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:19:32,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:19:32,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:19:32,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:19:32,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:19:32,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:19:32,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:19:32,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:19:32,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:19:32,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:19:32,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:19:32,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:19:32,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:19:32,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:19:32,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ed93f7e94a59686881f163258e4b8f85fe8ac8 [2020-12-01 23:19:33,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:19:33,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:19:33,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:19:33,343 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:19:33,344 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:19:33,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2020-12-01 23:19:33,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c412719/43732ef5c62b463aa0494f6ff33fd614/FLAG21f6b2653 [2020-12-01 23:19:34,163 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:19:34,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2020-12-01 23:19:34,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c412719/43732ef5c62b463aa0494f6ff33fd614/FLAG21f6b2653 [2020-12-01 23:19:34,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c412719/43732ef5c62b463aa0494f6ff33fd614 [2020-12-01 23:19:34,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:19:34,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:19:34,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:19:34,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:19:34,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:19:34,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:19:34" (1/1) ... [2020-12-01 23:19:34,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b89b42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:34, skipping insertion in model container [2020-12-01 23:19:34,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:19:34" (1/1) ... [2020-12-01 23:19:34,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:19:34,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:19:34,847 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2020-12-01 23:19:34,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:19:34,863 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:19:34,961 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2020-12-01 23:19:34,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:19:35,004 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:19:35,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35 WrapperNode [2020-12-01 23:19:35,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:19:35,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:19:35,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:19:35,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:19:35,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:19:35,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:19:35,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:19:35,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:19:35,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... [2020-12-01 23:19:35,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:19:35,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:19:35,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:19:35,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:19:35,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:19:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:19:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:19:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:19:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:19:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:19:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:19:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:19:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:19:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:19:36,081 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:19:36,081 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-12-01 23:19:36,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:19:36 BoogieIcfgContainer [2020-12-01 23:19:36,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:19:36,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:19:36,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:19:36,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:19:36,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:19:34" (1/3) ... [2020-12-01 23:19:36,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2b204c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:19:36, skipping insertion in model container [2020-12-01 23:19:36,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:35" (2/3) ... [2020-12-01 23:19:36,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2b204c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:19:36, skipping insertion in model container [2020-12-01 23:19:36,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:19:36" (3/3) ... [2020-12-01 23:19:36,092 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a.c [2020-12-01 23:19:36,107 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:19:36,110 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:19:36,123 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:19:36,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:19:36,153 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:19:36,153 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:19:36,154 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:19:36,158 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:19:36,158 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:19:36,158 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:19:36,158 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:19:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-12-01 23:19:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:19:36,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:19:36,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:19:36,180 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:19:36,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:19:36,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1392627184, now seen corresponding path program 1 times [2020-12-01 23:19:36,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:19:36,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272508093] [2020-12-01 23:19:36,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:19:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:19:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:19:36,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272508093] [2020-12-01 23:19:36,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:19:36,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:19:36,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631832716] [2020-12-01 23:19:36,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:19:36,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:19:36,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:19:36,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:19:36,413 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-12-01 23:19:36,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:19:36,452 INFO L93 Difference]: Finished difference Result 95 states and 156 transitions. [2020-12-01 23:19:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:19:36,454 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-01 23:19:36,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:19:36,477 INFO L225 Difference]: With dead ends: 95 [2020-12-01 23:19:36,477 INFO L226 Difference]: Without dead ends: 45 [2020-12-01 23:19:36,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:19:36,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-01 23:19:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-01 23:19:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-01 23:19:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2020-12-01 23:19:36,547 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 12 [2020-12-01 23:19:36,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:19:36,548 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2020-12-01 23:19:36,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:19:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2020-12-01 23:19:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:19:36,551 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:19:36,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:19:36,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:19:36,552 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:19:36,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:19:36,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1009660131, now seen corresponding path program 1 times [2020-12-01 23:19:36,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:19:36,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175797738] [2020-12-01 23:19:36,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:19:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:19:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:19:36,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175797738] [2020-12-01 23:19:36,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:19:36,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 23:19:36,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286055256] [2020-12-01 23:19:36,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:19:36,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:19:36,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:19:36,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:19:36,703 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand 3 states. [2020-12-01 23:19:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:19:36,723 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2020-12-01 23:19:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:19:36,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-01 23:19:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:19:36,725 INFO L225 Difference]: With dead ends: 83 [2020-12-01 23:19:36,725 INFO L226 Difference]: Without dead ends: 45 [2020-12-01 23:19:36,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:19:36,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-01 23:19:36,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-01 23:19:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-01 23:19:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2020-12-01 23:19:36,734 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 13 [2020-12-01 23:19:36,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:19:36,734 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2020-12-01 23:19:36,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:19:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2020-12-01 23:19:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 23:19:36,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:19:36,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:19:36,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:19:36,736 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:19:36,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:19:36,737 INFO L82 PathProgramCache]: Analyzing trace with hash 34829304, now seen corresponding path program 1 times [2020-12-01 23:19:36,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:19:36,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606585894] [2020-12-01 23:19:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:19:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:19:36,828 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:19:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:19:36,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:19:37,007 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:19:37,009 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:19:37,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 23:19:37,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:19:37 BoogieIcfgContainer [2020-12-01 23:19:37,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:19:37,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:19:37,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:19:37,112 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:19:37,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:19:36" (3/4) ... [2020-12-01 23:19:37,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:19:37,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:19:37,123 INFO L168 Benchmark]: Toolchain (without parser) took 2603.11 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 31.6 MB in the end (delta: -10.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:37,131 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 29.3 MB in the beginning and 29.3 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:19:37,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.21 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 27.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:37,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.98 ms. Allocated memory is still 44.0 MB. Free memory was 27.8 MB in the beginning and 25.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:37,137 INFO L168 Benchmark]: Boogie Preprocessor took 92.53 ms. Allocated memory is still 44.0 MB. Free memory was 25.4 MB in the beginning and 23.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:37,139 INFO L168 Benchmark]: RCFGBuilder took 857.72 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 23.2 MB in the beginning and 26.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:37,145 INFO L168 Benchmark]: TraceAbstraction took 1026.08 ms. Allocated memory is still 54.5 MB. Free memory was 25.8 MB in the beginning and 32.2 MB in the end (delta: -6.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:37,146 INFO L168 Benchmark]: Witness Printer took 6.32 ms. Allocated memory is still 54.5 MB. Free memory was 31.9 MB in the beginning and 31.6 MB in the end (delta: 278.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:19:37,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 29.3 MB in the beginning and 29.3 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.21 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 27.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.98 ms. Allocated memory is still 44.0 MB. Free memory was 27.8 MB in the beginning and 25.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.53 ms. Allocated memory is still 44.0 MB. Free memory was 25.4 MB in the beginning and 23.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 857.72 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 23.2 MB in the beginning and 26.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1026.08 ms. Allocated memory is still 54.5 MB. Free memory was 25.8 MB in the beginning and 32.2 MB in the end (delta: -6.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.32 ms. Allocated memory is still 54.5 MB. Free memory was 31.9 MB in the beginning and 31.6 MB in the end (delta: 278.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 163, overapproximation of bitwiseAnd at line 172, overapproximation of someBinaryArithmeticDOUBLEoperation at line 147. Possible FailurePath: [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L30] static const double zero = 0.0; [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L118] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L182] double x = __VERIFIER_nondet_double(); [L184] x < 0 && isfinite_double(x) [L166] __int32_t hx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L184] x < 0 && isfinite_double(x) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L184] COND TRUE x < 0 && isfinite_double(x) [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L126] ieee_double_shape_type ew_u; [L127] ew_u.value = (x) [L128] EXPR ew_u.parts.msw [L128] (hx) = ew_u.parts.msw [L129] EXPR ew_u.parts.lsw [L129] (lx) = ew_u.parts.lsw [L132] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L133] COND FALSE !(hx < 0x00100000) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L146] COND TRUE hx >= 0x7ff00000 [L147] return x + x; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L186] double res = __ieee754_log10(x); [L163] return x != x; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L189] COND TRUE !isnan_double(res) [L190] reach_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 125 SDtfs, 0 SDslu, 55 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:19:39,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:19:39,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:19:39,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:19:39,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:19:39,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:19:39,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:19:39,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:19:39,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:19:39,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:19:39,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:19:39,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:19:39,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:19:39,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:19:39,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:19:39,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:19:39,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:19:39,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:19:39,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:19:39,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:19:39,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:19:39,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:19:39,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:19:39,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:19:39,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:19:39,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:19:39,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:19:39,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:19:39,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:19:39,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:19:39,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:19:39,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:19:39,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:19:39,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:19:39,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:19:39,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:19:39,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:19:39,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:19:39,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:19:39,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:19:39,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:19:40,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:19:40,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:19:40,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:19:40,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:19:40,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:19:40,069 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:19:40,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:19:40,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:19:40,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:19:40,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:19:40,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:19:40,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:19:40,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:19:40,072 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:19:40,072 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:19:40,073 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:19:40,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:19:40,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:19:40,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:19:40,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:19:40,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:19:40,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:19:40,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:19:40,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:19:40,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:19:40,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:19:40,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:19:40,076 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:19:40,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:19:40,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:19:40,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:19:40,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:19:40,077 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ed93f7e94a59686881f163258e4b8f85fe8ac8 [2020-12-01 23:19:40,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:19:40,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:19:40,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:19:40,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:19:40,547 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:19:40,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2020-12-01 23:19:40,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078570e00/e62c1189540942089e90ebf43e1cc1e8/FLAG706178888 [2020-12-01 23:19:41,353 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:19:41,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2020-12-01 23:19:41,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078570e00/e62c1189540942089e90ebf43e1cc1e8/FLAG706178888 [2020-12-01 23:19:41,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078570e00/e62c1189540942089e90ebf43e1cc1e8 [2020-12-01 23:19:41,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:19:41,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:19:41,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:19:41,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:19:41,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:19:41,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:19:41" (1/1) ... [2020-12-01 23:19:41,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9d8798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:41, skipping insertion in model container [2020-12-01 23:19:41,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:19:41" (1/1) ... [2020-12-01 23:19:41,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:19:41,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:19:42,046 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2020-12-01 23:19:42,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:19:42,069 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:19:42,189 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2020-12-01 23:19:42,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:19:42,244 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:19:42,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42 WrapperNode [2020-12-01 23:19:42,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:19:42,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:19:42,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:19:42,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:19:42,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:19:42,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:19:42,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:19:42,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:19:42,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... [2020-12-01 23:19:42,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:19:42,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:19:42,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:19:42,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:19:42,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:19:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:19:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:19:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:19:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:19:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:19:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:19:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:19:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:19:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:20:19,585 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:20:19,586 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-12-01 23:20:19,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:19 BoogieIcfgContainer [2020-12-01 23:20:19,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:20:19,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:20:19,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:20:19,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:20:19,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:19:41" (1/3) ... [2020-12-01 23:20:19,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae6dcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:20:19, skipping insertion in model container [2020-12-01 23:20:19,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:42" (2/3) ... [2020-12-01 23:20:19,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae6dcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:20:19, skipping insertion in model container [2020-12-01 23:20:19,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:19" (3/3) ... [2020-12-01 23:20:19,598 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a.c [2020-12-01 23:20:19,615 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:20:19,619 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:20:19,633 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:20:19,679 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:20:19,679 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:20:19,680 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:20:19,680 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:20:19,680 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:20:19,680 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:20:19,680 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:20:19,681 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:20:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-12-01 23:20:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:20:19,707 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:20:19,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:20:19,708 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:20:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:20:19,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1392627184, now seen corresponding path program 1 times [2020-12-01 23:20:19,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:20:19,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586680350] [2020-12-01 23:20:19,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 23:20:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:20:20,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:20:20,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:20:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:20:20,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:20:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:20:20,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586680350] [2020-12-01 23:20:20,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:20:20,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:20:20,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194858922] [2020-12-01 23:20:20,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:20:20,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:20:20,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:20:20,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:20:20,121 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-12-01 23:20:20,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:20:20,145 INFO L93 Difference]: Finished difference Result 95 states and 156 transitions. [2020-12-01 23:20:20,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:20:20,147 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-01 23:20:20,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:20:20,159 INFO L225 Difference]: With dead ends: 95 [2020-12-01 23:20:20,159 INFO L226 Difference]: Without dead ends: 45 [2020-12-01 23:20:20,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:20:20,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-01 23:20:20,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-01 23:20:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-01 23:20:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2020-12-01 23:20:20,206 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 12 [2020-12-01 23:20:20,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:20:20,206 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2020-12-01 23:20:20,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:20:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2020-12-01 23:20:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:20:20,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:20:20,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:20:20,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:20:20,419 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:20:20,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:20:20,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1009660131, now seen corresponding path program 1 times [2020-12-01 23:20:20,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:20:20,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621949530] [2020-12-01 23:20:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 23:20:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:20:20,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 23:20:20,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:20:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:20:20,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:20:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:20:20,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621949530] [2020-12-01 23:20:20,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:20:20,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-01 23:20:20,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003529736] [2020-12-01 23:20:20,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:20:20,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:20:20,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:20:20,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:20:20,805 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand 3 states. [2020-12-01 23:20:20,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:20:20,919 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2020-12-01 23:20:20,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:20:20,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-01 23:20:20,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:20:20,922 INFO L225 Difference]: With dead ends: 83 [2020-12-01 23:20:20,922 INFO L226 Difference]: Without dead ends: 45 [2020-12-01 23:20:20,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:20:20,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-01 23:20:20,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-01 23:20:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-01 23:20:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2020-12-01 23:20:20,936 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 13 [2020-12-01 23:20:20,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:20:20,937 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2020-12-01 23:20:20,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:20:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2020-12-01 23:20:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 23:20:20,938 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:20:20,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:20:21,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:20:21,153 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:20:21,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:20:21,156 INFO L82 PathProgramCache]: Analyzing trace with hash 34829304, now seen corresponding path program 1 times [2020-12-01 23:20:21,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:20:21,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6804350] [2020-12-01 23:20:21,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-01 23:20:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:20:21,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 23:20:21,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:20:21,809 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-01 23:20:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:20:22,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:20:23,568 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-01 23:20:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:20:23,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6804350] [2020-12-01 23:20:23,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:20:23,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-12-01 23:20:23,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979310672] [2020-12-01 23:20:23,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-01 23:20:23,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:20:23,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-01 23:20:23,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-01 23:20:23,599 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand 10 states. [2020-12-01 23:20:24,295 WARN L197 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 8 [2020-12-01 23:20:24,608 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-01 23:20:24,972 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-01 23:20:30,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:20:30,823 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2020-12-01 23:20:30,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-01 23:20:30,854 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2020-12-01 23:20:30,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:20:30,855 INFO L225 Difference]: With dead ends: 50 [2020-12-01 23:20:30,856 INFO L226 Difference]: Without dead ends: 19 [2020-12-01 23:20:30,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-12-01 23:20:30,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-01 23:20:30,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-12-01 23:20:30,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-01 23:20:30,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-12-01 23:20:30,861 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2020-12-01 23:20:30,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:20:30,861 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-12-01 23:20:30,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-01 23:20:30,862 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-12-01 23:20:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 23:20:30,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:20:30,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:20:31,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 23:20:31,064 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:20:31,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:20:31,066 INFO L82 PathProgramCache]: Analyzing trace with hash -675358345, now seen corresponding path program 1 times [2020-12-01 23:20:31,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:20:31,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785291446] [2020-12-01 23:20:31,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-01 23:20:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:20:32,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:20:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:20:33,154 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:20:33,285 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:20:33,285 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:20:33,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-01 23:20:33,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:20:33 BoogieIcfgContainer [2020-12-01 23:20:33,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:20:33,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:20:33,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:20:33,568 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:20:33,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:19" (3/4) ... [2020-12-01 23:20:33,571 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:20:33,668 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:20:33,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:20:33,670 INFO L168 Benchmark]: Toolchain (without parser) took 51973.37 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.4 MB in the beginning and 22.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:20:33,671 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory is still 28.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:20:33,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.72 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.3 MB in the beginning and 23.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:20:33,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.24 ms. Allocated memory is still 50.3 MB. Free memory was 23.3 MB in the beginning and 20.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:20:33,673 INFO L168 Benchmark]: Boogie Preprocessor took 100.48 ms. Allocated memory is still 50.3 MB. Free memory was 34.1 MB in the beginning and 31.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:20:33,674 INFO L168 Benchmark]: RCFGBuilder took 37088.28 ms. Allocated memory is still 50.3 MB. Free memory was 31.8 MB in the beginning and 22.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:20:33,674 INFO L168 Benchmark]: TraceAbstraction took 13977.12 ms. Allocated memory is still 50.3 MB. Free memory was 22.1 MB in the beginning and 27.9 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:20:33,675 INFO L168 Benchmark]: Witness Printer took 101.57 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 22.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:20:33,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory is still 28.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.72 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.3 MB in the beginning and 23.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 139.24 ms. Allocated memory is still 50.3 MB. Free memory was 23.3 MB in the beginning and 20.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.48 ms. Allocated memory is still 50.3 MB. Free memory was 34.1 MB in the beginning and 31.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 37088.28 ms. Allocated memory is still 50.3 MB. Free memory was 31.8 MB in the beginning and 22.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13977.12 ms. Allocated memory is still 50.3 MB. Free memory was 22.1 MB in the beginning and 27.9 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Witness Printer took 101.57 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 22.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 190]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L30] static const double zero = 0.0; [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L118] static const double zero_log10 = 0.0; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L182] double x = __VERIFIER_nondet_double(); [L184] x < 0 && isfinite_double(x) [L166] __int32_t hx; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L184] x < 0 && isfinite_double(x) VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L184] COND TRUE x < 0 && isfinite_double(x) [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L126] ieee_double_shape_type ew_u; [L127] ew_u.value = (x) [L128] EXPR ew_u.parts.msw [L128] (hx) = ew_u.parts.msw [L129] EXPR ew_u.parts.lsw [L129] (lx) = ew_u.parts.lsw [L132] k = 0 VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L133] COND TRUE hx < 0x00100000 VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L134] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L135] return -two54_log10 / zero_log10; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L186] double res = __ieee754_log10(x); [L163] return x != x; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L189] COND TRUE !isnan_double(res) [L190] reach_error() VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 137 SDtfs, 38 SDslu, 92 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 78 ConstructedInterpolants, 17 QuantifiedInterpolants, 4426 SizeOfPredicates, 8 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...